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Cygwin: console: Fix OSC sequence handling. 

- Currently, some OSC escape sequences, such as 'OSC 110 BEL', are
  not handled correctly. This patch fixes the issue.
This commit is contained in:
Takashi Yano 2021-12-02 12:35:47 +09:00
parent 8fa73a9f84
commit e1026837dd
1 changed files with 24 additions and 7 deletions
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31
winsup/cygwin/fhandler_console.cc
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@ -3308,13 +3308,30 @@ fhandler_console::write (const void *vsrc, size_t len)
case gotrsquare:
if (isdigit (*src))
con.rarg = con.rarg * 10 + (*src - '0');
else if (*src == ';' && (con.rarg == 2 || con.rarg == 0))
con.state = gettitle;
else if (*src == ';' && (con.rarg == 4 || con.rarg == 104
|| (con.rarg >= 10 && con.rarg <= 19)))
con.state = eatpalette;
else
con.state = eattitle;
else if (*src == ';')
{
if (con.rarg == 0 || con.rarg == 2)
con.state = gettitle;
else if ((con.rarg >= 4 && con.rarg <= 6)
|| (con.rarg >=10 && con.rarg <= 19)
|| (con.rarg >=104 && con.rarg <= 106)
|| (con.rarg >=110 && con.rarg <= 119))
con.state = eatpalette;
else
con.state = eattitle;
}
else if (*src == '\033')
con.state = endpalette;
else if (*src == '\007')
{
wpbuf.put (*src);
if (wincap.has_con_24bit_colors () && !con_is_legacy)
wpbuf.send (get_output_handle ());
wpbuf.empty ();
con.state = normal;
src++;
break;
}
wpbuf.put (*src);
src++;
break;